Synthesis of all-deuterated tris(2-phenylpyridine)iridium for highly stable electrophosphorescence: The "deuterium effect"
JOURNAL OF MATERIALS CHEMISTRY C(2013)
摘要
Device stability and life-time rank the key issues for PhOLEDs. We synthesized deuterated Ir(ppy)(3)-D-24. A device based on it has a current density twenty times higher than and a life-time six times longer than devices based on Ir(ppy)(3). The more stable C-D bond is found to be the main contributing factor, called the "deuterium effect".
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关键词
stable electrophosphorescence,deuterium effect”,all-deuterated
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